1029280901950 has 48 divisors (see below), whose sum is σ = 2303112769920. Its totient is φ = 334322817120.

The previous prime is 1029280901921. The next prime is 1029280902017. The reversal of 1029280901950 is 591090829201.

It is a self number, because there is not a number n which added to its sum of digits gives 1029280901950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77382892 + ... + 77396191.

It is an arithmetic number, because the mean of its divisors is an integer number (47981516040).

Almost surely, 2^{1029280901950} is an apocalyptic number.

1029280901950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1029280901950 is an abundant number, since it is smaller than the sum of its proper divisors (1273831867970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1029280901950 is a wasteful number, since it uses less digits than its factorization.

1029280901950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154779121 (or 154779116 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 46.

The spelling of 1029280901950 in words is "one trillion, twenty-nine billion, two hundred eighty million, nine hundred one thousand, nine hundred fifty".